Bullous keratopathy

What is Bullous keratopathy?

Bullous keratopathy definition and meaning on Dictionary terms:
a wooden slat that produces a roaring sound when whirled around one’s head on the end of a string or thong, used by some peoples of the world in religious ceremonies and by others as a toy.


reference: https://www.dictionary.com/browse/bullous-keratopathy